APA (7th ed.) Citation

Kempen, H. M. (1987). GROWERS WEED MANAGEMENT GUIDE. Thomson Publications.

Chicago Style (17th ed.) Citation

Kempen, Harold M. GROWERS WEED MANAGEMENT GUIDE. Thomson Publications, 1987.

MLA (8th ed.) Citation

Kempen, Harold M. GROWERS WEED MANAGEMENT GUIDE. Thomson Publications, 1987.

Warning: These citations may not always be 100% accurate.